/f/science
Submitted by chrisdh79 t3_1133088
During the mid-Cretaceous approximately 94.5 million years ago the worlds oceans became nearly uninhabitable as rapid degassing of volcanic carbon dioxide altered seawater carbonate chemistry, triggering a global-scale episode of reduced marine oxygen levels known as Oceanic Anoxic Event 2.
smithsonianmag.comSubmitted by avogadros_number t3_112fbo1
Submitted by LordNPython t3_111ue57
Social mobility refers to movement of individuals from one socio-economic strata to another. Social mobility is largely driven by personal motivation, education, skills and migration. But an analysis of historical data tells us that social mobility is primarily caused by changes in political rule.
tus.ac.jpSubmitted by rustoo t3_111h9zu
A study in the US has found, compared to unvaccinated people, protection from the risk of dying from COVID during the six-month omicron wave for folks who had two doses of an mRNA vaccine was 42% for 40- to 59-year-olds; 27% for 60- to 79-year-olds; and 46% for people 80 and older.
mdpi.comSubmitted by Wagamaga t3_1119qf6
Children as young as 4 years old show evidence of a network in the brain found in adults that tackles difficult cognitive problems, a new fMRI study found. Researchers were surprised, thinking it may take longer for the multiple demand network to differentiate in humans.
news.osu.eduSubmitted by geoff199 t3_1117i1e
Men with prostate cancer who also had relatives affected by the disease – or by other cancers with an inherited element like breast, ovarian or bowel cancer – were up to a fifth less likely to die from prostate cancer or any cause compared with those with no family history of cancer
icr.ac.ukSubmitted by giuliomagnifico t3_1115v8u